# SDR ASAA2018071225362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2018
- Submitted: July 12, 2018
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 17,920 hours, 5,936 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Drain Mast
- Part number: 346A28015
- Condition: Cracked
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018071225362

## Discrepancy

APU SHROUD / HYDRAULIC DRAIN MAST CRACKED. GROUNDED - YES. REMOVED AND REPLACED THE APU SHROUD / HYDRAULIC DRAIN MAST REF AMM 28-25-07/401.

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